Fix double close in MojoAudioOutputStream.

base/sync_socket_win.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/sync_socket.h"
 
 #include <limits.h>
 #include <stddef.h>
 
 #include "base/logging.h"
@@ skipping 275 matching lines @@
   }
   return count;
 }
 
 size_t SyncSocket::Peek() {
   DWORD available = 0;
   PeekNamedPipe(handle_, NULL, 0, NULL, &available, NULL);
   return available;
 }
 
+SyncSocket::Handle SyncSocket::Release() {
+  Handle r = handle_;
+  handle_ = kInvalidHandle;
+  return r;
+}
+
 CancelableSyncSocket::CancelableSyncSocket()
     : shutdown_event_(base::WaitableEvent::ResetPolicy::MANUAL,
                       base::WaitableEvent::InitialState::NOT_SIGNALED),
       file_operation_(base::WaitableEvent::ResetPolicy::MANUAL,
                       base::WaitableEvent::InitialState::NOT_SIGNALED) {}
 
 CancelableSyncSocket::CancelableSyncSocket(Handle handle)
     : SyncSocket(handle),
       shutdown_event_(base::WaitableEvent::ResetPolicy::MANUAL,
                       base::WaitableEvent::InitialState::NOT_SIGNALED),
@@ skipping 35 matching lines @@
       static_cast<DWORD>(timeout.InMilliseconds()));
 }
 
 // static
 bool CancelableSyncSocket::CreatePair(CancelableSyncSocket* socket_a,
                                       CancelableSyncSocket* socket_b) {
   return CreatePairImpl(&socket_a->handle_, &socket_b->handle_, true);
 }
 
 }  // namespace base